PLATE XXXI. 



ODONTOENITHES. 

 Wing bones of Apatornis and Ichthyoenis. 



All Figures twice Natural Size. Page. 



Fig. 1. — Right metacarpal of Apatomis celer Marsh ; exterior view, 154 



la — Distal end 



Fig. 2. — Right metacarpal of Apatom is celery superior, or ulnar, surface, 154 



Fig. 3. — Right metacarpal of Apatomis celer ; inner view, 154 



3a — Proximal end. 



Fig. 4. — Right metacarpal of Apatomis celer; inferior, or radial, surface, ... 154 



Fig. 5. — Proximal phalanx of second digit of Apatomis celer ; from the right wing, inferior, 



or radial, surface, 157 



5 a — Distal end. 



Fig. 6. — Proximal phalanx of second digit of Apatomis celer; exterior view, - 157 



Fig. 7. — Proximal phalanx of second digit of Apatomis celer ; superior view, 157 



7 a — Proximal end. 



Fig. 8. — Proximal phalanx of second digit of Apatomis celer; inner view, 157 



Fig. 9. — Second phalanx of second digit of Apatomis celer ; from the right wing, inner view, - 158 

 9a — Distal end ; with outline of proximal end. 



Fig. 10. — Second phalanx of second digit of Apatomis celer; inferior, or radial, surface, 158 



Fig. 11. — Second phalanx of second digit of Apatomis celer; exterior view, 158 



11a — Proximal end. 



Fig. 12. — Right metacarpal of Ichthyomis victor Marsh; exterior view, 154 



12a — Distal end. 



Fig. 13. — Right metacarpal of Ichthyomis victor ; superior, or ulnar, surface,.. 154 



Fig. 14. — Right metacarpal of Ichthyomis victor ; inner view, 154 



14a — Proximal end. 



Fig. 15.— Right metacarpal of Ichthyomis victor; inferior, or radial, surface, 154 



Fig. 16. — Proximal phalanx of second digit of Ichthyomis victor; from the right wing, inferior, 



or radial, surface, 156 



16a — Distal end. 



Fig. 17. — Proximal phalanx of second digit of Ichthyomis victor; exterior view, 156 



Fig. 18. — Proximal phalanx of second digit of Ichthyomis victor ; superior, or ulnar, surface, 156 

 18a — Proximal end. 



Fig. 19. — Proximal phalanx of second digit of Ichthyomis victor; inner view, 156 



